const { createProxyMiddleware } = require('http-proxy-middleware')//引入http-proxy-middleware，react脚手架已经安装

module.exports = function (app) {
	app.use(
		createProxyMiddleware('/api', { //遇见/api前缀的请求，就会触发该代理配置
			target: 'http://localhost:4000', //请求转发给谁
			changeOrigin: true,//控制服务器收到的请求头中Host的值
			pathRewrite: { '^/api': '' } //重写请求路径，下面有示例解释
		}),
	)
}